Antibiotic Biochemical Filter Marker/Ladder Sera/Media	home > Products > Sera/Media   Fetal Bovine Serum (FBS)   Description    ¢¼US Origin - the most widely used FBS in the world  ¢¼the highest quality available in the USA  ¢¼It is collected using state of the art aseptic collection techniques resulting in low endotoxin and hemoglobin concentrations.